Project Number Date
test_Tails_ISO_20979-pdfarranger 15 10 Jun 2025, 02:43

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 51 0 0 0 0 51 6 0 6 10:55.921 Passed
Tags: @product @slow @not_release_blocker
Feature System memory erasure on shutdown
As a Tails user when I shutdown Tails I want the system memory to be free from sensitive data.
Tags: @product @slow @not_release_blocker
23.188
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 7.904
And I prepare Tails for memory erasure tests 0.386
When I start a process allocating 128 MiB of memory with a known pattern 1.262
Then patterns cover at least 128 MiB in the guest's memory 3.267 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.008
Then I find very few patterns in the guest's memory after 5 seconds 9.359 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:330 0.646
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
23.480
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.017
Given I have started Tails from DVD without network and logged in 7.822
And I prepare Tails for memory erasure tests 0.373
And I find very few patterns in the guest's memory 2.868 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.790
Then patterns cover at least 99% of the test FS size in the guest's memory 3.747 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.377
Then I find very few patterns in the guest's memory after 3 seconds 6.500 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:330 0.689
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
46.566
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 7.940
And I prepare Tails for memory erasure tests 0.387
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.041
Then I find very few patterns in the guest's memory 2.920 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.476
Then patterns cover at least 75% of the test FS size in the guest's memory 3.772 
Pattern coverage: 87.286% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.866
Then I find very few patterns in the guest's memory after 3 seconds 6.480 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# read cache
When I mount the USB drive again 0.192
And I read the content of the test FS 0.452
Then patterns cover at least 99% of the test FS size in the guest's memory 3.902 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.422
Then I find very few patterns in the guest's memory after 3 seconds 6.710 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:330 0.669
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:14.089
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 7.851
And I prepare Tails for memory erasure tests 0.395
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.274
Then I find very few patterns in the guest's memory 2.395 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.708
Then patterns cover at least 99% of the test FS size in the guest's memory 4.158 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.663
Then I find very few patterns in the guest's memory after 3 seconds 5.776 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# read cache
When I mount the USB drive again 4.333
And I read the content of the test FS 0.428
Then patterns cover at least 99% of the test FS size in the guest's memory 2.662 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.512
Then I find very few patterns in the guest's memory after 3 seconds 5.928 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:330 1.165
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.928
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.002
And I prepare Tails for memory erasure tests 0.367
When I fill a 128 MiB file with a known pattern on the root filesystem 15.129
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.859
Then patterns cover at least 128 MiB in the guest's memory 2.864 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.690 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:330 3.549
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:19.668
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:36.935
And I prepare Tails for memory erasure tests 0.412
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.108
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.199 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:330 3.497
After features/support/hooks.rb:100 0.011